| Genisis Associates Limited | Extraterritorial | 2013 |
| Gentleman‘S Barber Shop Ltd | Other services | 2025 |
| Gents Groom DS Ltd | Other services | 2025 |
| Genwealth Group Ltd | Professional & scientific | 2024 |
| GEO (UK) Investment Properties Limited | Real estate | 2025 |
| GEO (UK) Limited | Professional & scientific | 2014 |
| GEO (UK) Management Holdings Limited | Financial services | 2017 |
| Geo-Projects Ltd | Construction | 2010 |
| GEO3I Ltd | Information & communication | 2025 |
| Geoffrey Butterworth Ltd | Real estate | 2010 |
| Geojam Direct Limited | Wholesale & retail | 2023 |
| Geoprime Solutions Ltd | Construction | 2025 |
| George Alexander Electrical Ltd | Construction | 2021 |
| George Building Solutions Ltd | Construction | 2025 |
| George Chorley Ltd | Real estate | 2011 |
| George Marsden Estate Agent Ltd | Real estate | 2025 |
| George Morris Physiotherapy Limited | Health & social care | 2003 |
| George Wilson (Pemberton) Limited | Wholesale & retail | 2002 |
| George's Grill Ltd | Hospitality | 2023 |
| Georgette Orwell Toxwise Ltd | Professional & scientific | 2007 |
| Georgia Browns Limited | Hospitality | 2024 |
| Georgia Elisabeth's 24 Limited | Other services | 2023 |
| Geosoftware Limited | Information & communication | 2016 |
| Geozak Ltd | Wholesale & retail | 2026 |
| German Automotive 365 Ltd | Wholesale & retail | 2019 |
| Gerrards Holdings Ltd | Financial services | 2024 |
| Gerrards Specialist Cleaning Services Limited | Administrative & support | 1998 |
| Gesundleben Ltd | Professional & scientific | 2023 |
| Geverwa | Professional & scientific | 2025 |
| Gewe Global Network CIC | Other services | 2022 |
| Geza Ltd | Transport & logistics | 2019 |
| GF Auto Services Limited | Wholesale & retail | 2016 |
| GFB Residential Developments Limited | Real estate | 2018 |
| GFE Tech Group Ltd | Information & communication | 2026 |
| GG Convenience Store Ltd | Wholesale & retail | 2026 |
| GG Florals Limited | Wholesale & retail | 2025 |
| GG-829-010 Limited | Real estate | 2023 |
| GH Training Limited | Administrative & support | 2008 |
| GHE Electrical, Fire & Security Ltd | Construction | 2008 |
| Ghost-It Limited | Information & communication | 2015 |
| Ghrapri Ltd | Wholesale & retail | 2022 |
| GHV Properties Ltd | Real estate | 2022 |
| Giant Klas U.K. Limited | Real estate | 2020 |
| Giantartus | Professional & scientific | 2025 |
| Giants Hall Holdings Limited | Financial services | 2024 |
| Gibbs Online Ltd | Wholesale & retail | 2022 |
| Gibson Plumbing and Heating Ltd | Construction | 2017 |
| Gibson Renovation & Lettings Ltd | Real estate | 2025 |
| Gicm Ltd | Manufacturing | 2022 |
| Gidlow Food & Wine Limited | Wholesale & retail | 2023 |
| Gidlow Local Limited | Wholesale & retail | 2025 |
| Gidlow Ltd | Health & social care | 2021 |
| Gidlow Stone Ltd | Other services | 2012 |
| Gidlow Tandoori Limited | Hospitality | 2025 |
| Gigolo Enterprises Ltd. | Professional & scientific | 2008 |
| Gilaben Radiology Service Ltd | Health & social care | 2026 |
| Gilgrescu Limited | Professional & scientific | 2010 |
| Gill Barker Limited | Extraterritorial | 2013 |
| Gilnow Hand Car Wash Ltd | Administrative & support | 2017 |
| Ginger Gibbon Limited | Real estate | 2023 |
| Ginora Ltd | Wholesale & retail | 2022 |
| GJ COX Limited | Real estate | 2025 |
| GJA Wigan Investments Ltd | Real estate | 2021 |
| GJB Investments Portfolio Ltd | Real estate | 2019 |
| GJC Properties Ltd | Real estate | 2018 |
| Gjh-Design Ltd | Professional & scientific | 2022 |
| GJI Interiors Limited | Other services | 2018 |
| GJT Developments Ltd | Hospitality | 2017 |
| GK Property LET Ltd | Real estate | 2024 |
| Gkjacs Ltd | Wholesale & retail | 2025 |
| GKR Property & Development Limited | Real estate | 2024 |
| GL Sameday Couriers Ltd | Transport & logistics | 2025 |
| Glad UK Services Ltd | Wholesale & retail | 2025 |
| Glamify Beauty Online Ltd | Wholesale & retail | 2019 |
| Glamour Healthcare Ltd | Public administration | 2023 |
| Glamping Pods UK Limited | Hospitality | 2020 |
| Glariona | Professional & scientific | 2025 |
| Glass & BOW Ltd | Wholesale & retail | 2021 |
| Glass Half Full Wholesale Limited | Wholesale & retail | 2022 |
| GLB KAK UK Ltd | Hospitality | 2024 |
| Gleese Developments Ltd | Real estate | 2022 |
| GLH Project Solutions Ltd | Construction | 2022 |
| Glittercore Ltd | Administrative & support | 2026 |
| Global Engineering Ltd | Manufacturing | 2003 |
| Global Europe Logistics and Transport Ltd | Transport & logistics | 2019 |
| Global IOT Systems Limited | Information & communication | 2017 |
| Global Lifelines Cleaning Services Limited | Administrative & support | 2023 |
| Global Lifelines Limited | Health & social care | 2022 |
| Global SK Ltd | Education | 2013 |
| Global Union Risk Management Limited | Extraterritorial | 2014 |
| Globalbank Limited | Professional & scientific | 2002 |
| Globalport Group Ltd | Education | 2015 |
| Globelox Ltd | Real estate | 2026 |
| Glossop Way 1968 Limited | Extraterritorial | 2014 |
| Glow Avenue Limited | Other services | 2024 |
| Glowdrop Ltd | Wholesale & retail | 2025 |
| Glozono | Professional & scientific | 2026 |
| Glsa Services Ltd | Financial services | 2026 |
| GLT Properties Limited | Real estate | 2025 |
| GLT Property Holdings Ltd | Construction | 2017 |